Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Re6 win in 3 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kg4 draw
5 Kg5 draw
6 Kg6 draw
7 Kh2 draw
8 Kh4 draw
9 Kh6 draw
10 Ra7 draw
11 Re1 draw
12 Re5 draw
13 Re8 draw
14 Rf7 draw
15 Rg7 draw
16 Rh7 draw
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves